... 曲面的法线:normal to the surface 曲面的定向:orientation of surface 曲面的第一基本形式:first fundamental form of curved surface ...
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The adsorption and orientation of benzene and benzenesulfonic acid on the platinum electrode surface were studied.
研究了苯和苯磺酸在铂电极表面的吸附和取向。
The photo is displayed here in its original orientation, though it is more commonly viewed with the lunar surface at the bottom of the photo.
这个图片是以原始拍摄角度展示的,一般是从照片下边的月球表面的方向来看。
Now, if a problem gives you neither the orientation of a curve nor that of the surface then it's up to you to make them up.
现在有一个问题,就是既没有给曲线也没有给平面定向,那要有你们自己去决定。
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